The carburetor is compatible with for Firman 439cc 5700w, 7500w, 8000w, 9400w and 10000w portable generators, including for Firman H05751/H05752/H05753/H05754/H07552/H07553/H08052/H08053 models. It can also be used for 439cc engine 9400 watt tri-fuel generators.
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